On Fri, Aug 23, 2019 at 11:15:55PM +0200, Thomas Gleixner wrote:

> For the maintainer side there was something mentioned about some git-am
> option which allows to insert the link somehow with some extra hook
> magic. IIRC, it's in one of the ksummit threads, but I can't find it right
> now.

It was to have this:

. git-sh-setup
perl -pi -e 's|^Message-Id:\s*<?([^>]+)>?$|Link: https://lore.kernel.org/r/$1|g;' "$1"

in your .git/hooks/applypatch-msg.